diff --git a/configs/cm_t3517_defconfig b/configs/cm_t3517_defconfig
index 80a7c34..774e259 100644
--- a/configs/cm_t3517_defconfig
+++ b/configs/cm_t3517_defconfig
@@ -5,9 +5,13 @@
 CONFIG_SYS_PROMPT="CM-T3517 # "
 # CONFIG_CMD_IMLS is not set
 # CONFIG_CMD_FLASH is not set
+CONFIG_CMD_I2C=y
+CONFIG_CMD_USB=y
 # CONFIG_CMD_FPGA is not set
 CONFIG_CMD_GPIO=y
 # CONFIG_CMD_SETEXPR is not set
+CONFIG_CMD_DHCP=y
+CONFIG_CMD_PING=y
 CONFIG_SYS_NS16550=y
 CONFIG_USB=y
 CONFIG_USB_MUSB_HOST=y